The inside story of how the world's biggest rock star mastered the political game and persuaded the world's leaders to take on global poverty. And he's not done yet

The G-8 Summit is an annual gathering of the world's most powerful people at which two things are always accomplished: an awkward group photo is taken and no one has any fun. On the July night that this year's summit began in Gleneagles, Scotland, Bono thought it might be nice to change things up a bit. U2 had scheduled a concert at a stadium in nearby Edinburgh, and Bono, as is his custom, invited pretty much everyone he thought would be interesting to drop by, which explains how George Clooney, Hollywood's leading lefty, and Paul Wolfowitz, president of the World Bank and...